Magnetic resonance imaging apparatus and gradient magnetic field power supply
AssigneesKabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
InventorsSho KAWAJIRI, Motohiro Miura
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Abstract
A magnetic resonance imaging apparatus according to an embodiment includes a gradient magnetic field power supply configured to supply power to a gradient coil. The gradient magnetic field power supply includes a plurality of switching circuits and a processing circuitry. Each of the switching circuits is configured to output a predetermined pulse voltage. The processing circuitry is configured to change the number of switching circuits to be caused to perform switching operation among the switching circuits, in accordance with an intensity of the voltage to be output to the gradient coil.
Claims10
A magnetic resonance imaging apparatus comprising:
- a gradient magnetic field power supply configured to supply power to a gradient coil,
- the gradient magnetic field power supply including:
- a plurality of switching circuits, each of which is configured to output a predetermined pulse voltage;
- and
- a processing circuitry configured to change number of switching circuits to be caused to perform switching operation among the switching circuits, in accordance with an intensity of voltage to be output to the gradient coil.
A gradient magnetic field power supply supplying power to a gradient coil in a magnetic resonance imaging apparatus, the gradient magnetic field power supply comprising:
- a plurality of switching circuits, each of which is configured to output a predetermined pulse voltage;
- and
- a processing circuitry configured to change number of switching circuits to be caused to perform switching operation among the switching circuits, in accordance with an intensity of voltage to be output to the gradient coil.
Dependencies are inferred from the claim text.